<template>
  <div class="container" :class="{ 'sign-up-mode': signUpMode }">
    <!-- form表单容器 -->
    <div class="forms-container">
      <div class="signin-signup">
        <!-- 登录 -->
        <LoginForm v-if="issingnup" :User="loginUser" :Rules="loginRules" @send1="sendchangeregister" />
        <!-- 用户注册 -->
        <RegisterForm v-else-if="isregedit === 'true'" :User="registerUser" :Rules="registerRules" @send2="sendchangeregister" />
        <!-- 忘记密码 -->
        <ForgetpwForm v-else :User="forgetpwUser" :Rules="forgetpwRules" @send3="sendchangeregister" />
      </div>
    </div>

    <!-- 左右切换动画 -->
    <div class="panels-container">
      <div class="panel left-panel">
        <div class="content">
          <h3>学习是为了有更多的选择,让生活变的更美好!</h3>
          <p>何以解忧,唯有米修</p>
          <button @click="sendchangeregister('true')" class="btn transparent">用户注册</button>
          <button @click="sendchangeregister('false')" class="btn transparent">忘记密码</button>
        </div>
        <img :src="imgshow0" class="image" alt="" />
      </div>

      <div class="panel right-panel">
        <div class="content">
          <h3>以人为镜,可明得失, 以代码为镜,可通逻辑!</h3>
          <p>学习编程,让你的生活更有趣</p>
          <button @click="sendchangeregister(isregedit)" class="btn transparent">回到登录</button>
        </div>
        <img :src="isregedit === 'true' ? imgshow1: imgshow2" class="image" alt="" />
      </div>
    </div>
  </div>
</template>

<script lang="ts">
import { ref, watchEffect } from "vue";
import { loginUser, loginRules } from "@/utils/loginValidators";
import { registerUser, registerRules } from "@/utils/registerValidators";
import { forgetpwUser, forgetpwRules } from "@/utils/forgetpwValidators";
import LoginForm from "@/components/LoginForm.vue";
import RegisterForm from "@/components/RegisterForm.vue";
import ForgetpwForm from "@/components/ForgetpwForm.vue";

export default {
  name: "LoginRegister",
  components: { LoginForm, RegisterForm, ForgetpwForm },
  setup() {
    const signUpMode = ref<boolean>(false); // 左右切换开关
    const issingnup = ref<boolean>(true); // 显示登录、注册/忘记密码页面
    const isregedit = ref<boolean>(true); // 切换后是否注册/忘记密码
    const imgshow0 = ref<string>(require('../assets/img/log.svg'));
    const imgshow1 = ref<string>(require('../assets/img/register.svg'));
    const imgshow2 = ref<string>(require('../assets/img/forget1.svg'));

    // 延时设置
    const ascychange = (val: boolean) => {
      setTimeout(() => {
        issingnup.value = val;
      }, 700);
    };

    watchEffect(() => {
      ascychange(!signUpMode.value);
    });

    // 状态改变事件，signUpMode触发本页面，isregedit由登录LoginForm页面带来
    const sendchangeregister = (toisregedit: boolean): void => {
      isregedit.value = toisregedit;
      signUpMode.value = !signUpMode.value;
    };

    return {
      imgshow0,
      imgshow1,
      imgshow2,
      isregedit,
      issingnup,
      signUpMode,
      loginUser,
      loginRules,
      registerUser,
      registerRules,
      forgetpwUser,
      forgetpwRules,
      sendchangeregister,
    };
  },
};
</script>

<style scoped>
/* 总体容器，相对定位，全桌面显示，超出不显示 */
.container {
  position: relative;
  width: 100%;
  background-color: #fff;
  min-height: 100vh;
  overflow: hidden;
}

/* form表单容器，绝对定位，默认全桌面 */
.forms-container {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.signin-signup {
  position: absolute;
  /* 表单容器左上顶点X到桌面75%右边，Y到中间，定宽44% */
  top: 50%;
  left: 75%;
  width: 44%;
  /* 表单容器的中心点移动到左上顶点 */
  transform: translate(-50%, -50%);
  /* 动作时间1s，延时0.7s执行 */
  transition: 1s 0.7s ease-in-out;
  /* 布局为grid */
  display: grid;
  grid-template-columns: 1fr;
  z-index: 5;
}

/* 如果是 sign-up-mode，登录窗口靠左边，默认是 75%，右边 */
.container.sign-up-mode .signin-signup {
  left: 25%;
}

/* 控制蓝色半圆的移动 */
.container:before {
  /* 做一个超级大的园，只显示右下一点 */
  content: "";
  position: absolute;
  height: 2000px;
  width: 2000px;
  top: -10%;
  right: 48%;
  transform: translateY(-50%);
  background-image: linear-gradient(-45deg, #4481eb 0%, #04befe 100%);
  /* 动作时间1.8s，不延时 */
  transition: 1.8s ease-in-out;
  border-radius: 50%;
  z-index: 6;
}

/* 如果是 sign-up-mode，蓝色半圆移动到右边，对应显示左下一点 */
.container.sign-up-mode:before {
  transform: translate(100%, -50%);
  right: 52%;
}

.btn {
  width: 150px;
  background-color: #5995fd;
  border: none;
  outline: none;
  height: 49px;
  border-radius: 49px;
  color: #fff;
  text-transform: uppercase;
  font-weight: 600;
  margin: 10px 0;
  cursor: pointer;
  transition: 0.5s;
}

.btn:hover {
  background-color: #4d84e2;
}

/* panels容器，用于显示提示文字和图片 */
.panels-container {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.image {
  width: 100%;
  height: 100%;
  max-height: 400px;
  transition: transform 1.1s ease-in-out;
  transition-delay: 0.4s;
}

.panel {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-around;
  text-align: center;
  z-index: 6;
}

.left-panel {
  pointer-events: all;
  padding: 3rem 17% 2rem 12%;
}

.right-panel {
  pointer-events: none;
  padding: 3rem 12% 2rem 17%;
}

.panel .content {
  color: #fff;
  transition: transform 0.9s ease-in-out;
  transition-delay: 0.6s;
}

.panel h3 {
  font-weight: 600;
  line-height: 1;
  font-size: 1.5rem;
}

.panel p {
  font-size: 0.95rem;
  padding: 0.7rem 0;
}

.btn.transparent {
  margin: 10px;
  background: none;
  border: 2px solid #fff;
  width: 130px;
  height: 41px;
  font-weight: 600;
  font-size: 0.8rem;
}

/* ANIMATION */

.right-panel .image,
.right-panel .content {
  transform: translateX(800px);
}

.container.sign-up-mode .left-panel .image,
.container.sign-up-mode .left-panel .content {
  transform: translateX(-800px);
}

.container.sign-up-mode .right-panel .image,
.container.sign-up-mode .right-panel .content {
  transform: translateX(0%);
}

.container.sign-up-mode .left-panel {
  pointer-events: none;
}

.container.sign-up-mode .right-panel {
  pointer-events: all;
}

/* 小屏幕适配 */
/* @media (max-width: 870px) {
  .container {
    min-height: 800px;
    height: 100vh;
  }
  .signin-signup {
    width: 100%;
    top: 95%;
    transform: translate(-50%, -100%);
    transition: 1s 0.8s ease-in-out;
  }

  .signin-signup,
  .container.sign-up-mode .signin-signup {
    left: 50%;
  }

  .panels-container {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 2fr 1fr;
  }

  .panel {
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    padding: 2.5rem 8%;
    grid-column: 1 / 2;
  }

  .right-panel {
    grid-row: 3 / 4;
  }

  .left-panel {
    grid-row: 1 / 2;
  }

  .image {
    width: 200px;
    transition: transform 0.9s ease-in-out;
    transition-delay: 0.6s;
  }

  .panel .content {
    padding-right: 15%;
    transition: transform 0.9s ease-in-out;
    transition-delay: 0.8s;
  }

  .panel h3 {
    font-size: 1.2rem;
  }

  .panel p {
    font-size: 0.7rem;
    padding: 0.5rem 0;
  }

  .btn.transparent {
    width: 110px;
    height: 35px;
    font-size: 0.7rem;
  }

  .container:before {
    width: 1500px;
    height: 1500px;
    transform: translateX(-50%);
    left: 30%;
    bottom: 68%;
    right: initial;
    top: initial;
    transition: 2s ease-in-out;
  }

  .container.sign-up-mode:before {
    transform: translate(-50%, 100%);
    bottom: 32%;
    right: initial;
  }

  .container.sign-up-mode .left-panel .image,
  .container.sign-up-mode .left-panel .content {
    transform: translateY(-300px);
  }

  .container.sign-up-mode .right-panel .image,
  .container.sign-up-mode .right-panel .content {
    transform: translateY(0px);
  }

  .right-panel .image,
  .right-panel .content {
    transform: translateY(300px);
  }

  .container.sign-up-mode .signin-signup {
    top: 5%;
    transform: translate(-50%, 0);
  }
} */

/* @media (max-width: 570px) {
  form {
    padding: 0 1.5rem;
  }

  .image {
    display: none;
  }
  .panel .content {
    padding: 0.5rem 1rem;
  }
  .container {
    padding: 1.5rem;
  }

  .container:before {
    bottom: 72%;
    left: 50%;
  }

  .container.sign-up-mode:before {
    bottom: 28%;
    left: 50%;
  }
} */

</style>
